# range(start,stop,step):不包括stop,step默认是1
for i in range(1, 10):
    # i+1的原因是range()左闭
    for j in range(1, i + 1):
        print(f'{j}*{i}={j * i}', end='\t')
        # print默认结束符是\n
        print()
